NCLEX : Neural Pharmacology

Study concepts, example questions & explanations for NCLEX

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Example Questions

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Example Question #111 : Pharmacology

Lamotrigine carries a black-box warning about what side effect?

Possible Answers:

DRESS syndrome (drug reaction/rash with eosinophilia and systemic symptoms)

All of these

Aseptic meningitis

Stevens–Johnson syndrome

Correct answer:

All of these

Explanation:

Lamotrigine carries a black box warning about the following side effects:

  • Stevens–Johnson syndrome
  • Toxic epidermal necrolysis
  • DRESS syndrome (drug reaction/rash with eosinophilia and systemic symptoms)
  • Aseptic meningitis

Example Question #111 : Pharmacology

Phenelzine is what class of drug?

Possible Answers:

Tricyclic antidepressant

Alpha adrenergic agonist

Monoamine oxidase inhibitor (MAOI) 

Narcotic

Correct answer:

Monoamine oxidase inhibitor (MAOI) 

Explanation:

Phenelzine is a monoamine oxidase inhibitor (MAOI). Drugs in this class work by inhibition of monoamine oxidase enzymes, the enzymes responsible for the break down of serotonin, dopamine, and adrenaline. 

Example Question #21 : Drug Identification

What class of drugs is diazepam?

Possible Answers:

Benzodiazepine

Nonbenzodiazepine sedative

Barbituate

Methaqualone analogue

Correct answer:

Benzodiazepine

Explanation:

Diazepam is a benzodiazepine. This class of drugs works by potentiating the effects of GABA, our primary inhibitory neurotransmitter, at the GABAa receptor.

Example Question #111 : Nclex

Bromocriptine belongs to what class of drug?

Possible Answers:

Peripheral dopamine decarboxylase inhibitor 

Dopamine agonist

Anxiolytic

Anticholinergic

Correct answer:

Dopamine agonist

Explanation:

Bromocriptine is a dopamine agonist used in the treatment for Parkinson's disease, pituitary tumors, and type 2 diabetes.  

Example Question #21 : Drug Identification

A patient taking haloperidol complains of abnormal, unintentional movements of his tongue and face. The nurse knows that the patient is experiencing which of the following side effects of haloperidol?

Possible Answers:

Convulsions and seizures

Dizziness and weakness

Neuroleptic malignant syndrome

Increased anxiety

Tardive dyskinesia

Correct answer:

Tardive dyskinesia

Explanation:

All of the listed options are side effects of haloperidol, but tardive dyskinesia (TD) is the only one that manifests with involuntary, dyskinetic movements in their face, lips, tongue, trunk, and extremities. TD more frequently occurs among elderly female patients taking long-term dopamine-antagonist medications. Dizziness, weakness, convulsions, seizures, and anxiety are also side effects of haloperidol. Neuroleptic Malignant Syndrome presents with fever and high/unstable blood pressure, muscle cramps and tremors, altered mental status (such as delirium, agitation, or a coma).

Example Question #31 : Drug Identification

You are the nurse taking care of a patient who is experiencing a panic attack. You are instructed to give the patient a dose of lorazepam. Which of the drug classes below describes lorazepam?

Possible Answers:

Beta-blocker

Barbiturate

Amphetamine

Benzodiazepine

Alpha-blocker

Correct answer:

Benzodiazepine

Explanation:

The correct answer is "benzodiazepine," as lorazepam, also known as Ativan, is a benzodiazepine drug. Benzodiazepines act by increasing the efficacy of the neurotransmitter, GABA, when it acts upon its particular receptors. They have potent anti-anxiety properties, among other properties, and are frequently given during the initial phase of a panic attack to calm the patient.

On the other hand, the other choices are incorrect. Phenobarbital is an example of a barbiturate. Proproanolol is an example of a beta-blocker. Tamsulosin is an example of an alpha-blocker. Methamphetamine is an example of an amphetamine.

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